class MyComponent extends React.Component {
    constructor(props) {
        super(props);
        this.state = {
            itemCount: 0
        };
        // change code below this line

        // change code above this line
    }
    addItem() {
        this.setState({
            itemCount: this.state.itemCount + 1
        });
    }
    render() {
        return (
            <div>
                {/* change code below this line */}
                <button onClick={this.addItem.bind(this)}>Click Me</button>
                {/* change code above this line */}
                <h1>Current Item Count: {this.state.itemCount}</h1>
            </div>
        );
    }
}
